MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan distribution attempt. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely lead to further malicious content or phishing pages, serving as a lure for users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://irlanc.ru/uplcv?utm_term=lord+of+the+flies+chapter+2+and+3+summary
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/ed51bd874d61e0d6d3f12633686c9727/41859782575.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1606de3e362999---44707322363.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/30383486ce4b7380ced3ac5841bfd33f/40379586878.pdf
- http://handsonmontessoripk.com/userfiles/files/xedixozepiteton.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f44d37e543---70037787384.pdf
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/998a9865fc4f3057d26cb4c329486f8a/15775121638.pdf
- https://toptenstudy.com/upload/files/BodyFile__60B982346D072.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/gatiriwoxipowogabaji.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/918229473732c42435d21bfddcc138af/jifili.pdf
- http://king-ber.com/UploadFiles/file/20210625125020569.pdf
- http://clubselectionvoyages.com/images/file/24788182957.pdf
- http://smartvoicecom.com/userfiles/14922637422.pdf
- http://trunglam.vn/uploads/userfiles/file/dijakanugiwufopasunizepa.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071b18ea1897---rizaxifosozu.pdf
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/67092038226.pdf
- http://vogiantinhmach.com/media/ftp/file/xafekusadulazekoxininuk.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b619cc0299---jupumudibufeguxofexuke.pdf
- http://www.asslar.de/downloads/bonerawafuzoxewibedu.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160c9d8f183102---juxogal.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3467e9e520---98928113980.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c498f0a54de---2337408586.pdf
- https://sunrise-photon.com/upfiles/editor/files/40427174546.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6c28c6697---8878011300.pdf
- http://opakowania-loga.pl/zdjecia/fotki/file/wepebifileb.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010bb4.bin8668de26e6044ed4d84dd91429030247becd7f8a7eb04551878d21b1375c6b63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB4 | 11348 bytes |
font_01_sfnt_off00012651.binf909bf6022730e9b17755ab0bbc4bb2191132d1a9804005f758d76380c577754 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12651 | 17860 bytes |
font_02_sfnt_off00015526.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15526 | 16792 bytes |
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